Ch. 8 Flashcards

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1
Q

Cytoplasm

A

The gel like material that fills out a cell; it makes up most of the volume of the cell, and suspends the organelles of the cell.

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2
Q

Deep fascia

A

A dense layer of fibrous tissue below the subcutaneous tissue; composed of tough bands of tissue that surround muscles and other internal structures.

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3
Q

Dendrites

A

Branchlike projections of nerve cells that receive impulses or sensory information from nearby cells and conduct impulses toward the nerve cell body.

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4
Q

Deoxyribonucleic acid (DNA)

A

Specialized structure within the cell that carries genetic material for reproduction.

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5
Q

Depolarization

A

In response to an action potential, the rapid movement of electrolytes across a cell membrane that changes overall charge of the cell. This rapid shifting of electrolytes and cellular charges is the main catalyst for muscle contractions and neural transmissions.

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6
Q

Dermatome

A

The area of the skin supplied by a specific sensory spinal nerve.

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7
Q

Descending aorta

A

The portion of the aorta that extends through the thorax and abdomen into the pelvis.

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8
Q

Diapedesis

A

A process whereby leukocytes move through the wall of a capillary and out to the tissues where they are needed most.

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9
Q

Diaphragm

A

Large skeletal muscle that plays a major role in breathing and separates the chest cavity from the abdominal cavity.

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10
Q

Diaphysis

A

The shaft of a long bone

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